We have this combination at a number of different sites, and do not have the problem you're talking about. We didn't do anything with MTU. Jon Johnston Creative Business Solutions IBM, Lotus, Microsoft Consultants http://www.cbsol.com 952-544-1108 "Bill Brown" <bill.brown@xxxxxxxxxxxxxxx> wrote on 10/27/2002 07:56:58 PM: > http://www.ISAserver.org > > > Has anyone had success with getting IBM's client access (5250 emulator) > working with ISA? I got all the ports opened correctly and it is > communicating with the AS/400 but the problem I'm having now is the AS/400 > disconnects the session. I've run a sniffer trace and found that the > TCP/IP window size is large with ISA running on W2K then it was with Proxy > 2.0 on NT 4. > > Do I need to mess with the MTU or something? > > Thanks in advance for your assistance. > > --Bill > > ------------------------------------------------------ > List Archives: http://www.webelists.com/cgi/lyris.pl?enter=isalist > ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp > ISA Server FAQ: http://www.isaserver.org/pages/larticle.asp?type=FAQ > ------------------------------------------------------ > Exchange Server Resource Site: http://www.msexchange.org/ > Windows Security Resource Site: http://www.windowsecurity.com/ > Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com > ------------------------------------------------------ > You are currently subscribed to this ISAserver.org Discussion List > as: jonlists@xxxxxxxxx > To unsubscribe send a blank email to $subst('Email.Unsub') > ForwardSourceID:NT0000BF3A